When we’re asleep, our conscious mind is closed to the outside world. Sounds, smells, and physical sensations have limited access to our central nervous system. In the lightest stages of sleep, those aspects of the real world can intrude and awaken us briefly, but in deep sleep we’re not easily
Tag: why do we need sleep
If you don’t get plenty of rest, you are more likely to pack on pounds. But why do we need sleep for weight control? Research shows that the less we sleep, the more food we eat.